27149057 has 8 divisors (see below), whose sum is σ = 29328936. Its totient is φ = 24982272.

The previous prime is 27149021. The next prime is 27149069. The reversal of 27149057 is 75094172.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 27133681 = 124^2 + 5209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27149057 - 2⁸ = 27148801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27149557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (3666117).

Almost surely, 2^27149057 is an apocalyptic number.

It is an amenable number.

27149057 is a deficient number, since it is larger than the sum of its proper divisors (2179879).

27149057 is a wasteful number, since it uses less digits than its factorization.

27149057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 27149057 is about 5210.4756980529. The cubic root of 27149057 is about 300.5510501556.

The spelling of 27149057 in words is "twenty-seven million, one hundred forty-nine thousand, fifty-seven".